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Accession:CHEBI:90299 term browser browse the term
Definition:A variable mixture of several compounds isolated from lichens, the eight most abundant being alpha-aminoorcein, alpha-hydroxyorcein, beta-aminoorcein, gamma-aminoorcein, beta-hydroxyorcein, gamma-hydroxyorcein, beta-aminoorceimine and beta-aminoorceimine (all are phenoxazine-based). It is used for the demonstration of elastic fibres as well as to stain the rough endoplasmic reticulum of hepatitis B infected liver cells.
Synonyms:related_synonym: C.I. Natural Red 28
 xref: Wikipedia:Orcein

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  CHEBI ontology 19779
    chemical entity 19778
      chemical substance 11538
        mixture 10862
          orcein 0
Path 2
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  CHEBI ontology 19779
    subatomic particle 19777
      composite particle 19777
        hadron 19777
          baryon 19777
            nucleon 19777
              atomic nucleus 19777
                atom 19777
                  main group element atom 19664
                    main group molecular entity 19664
                      s-block molecular entity 19406
                        hydrogen molecular entity 19397
                          hydrides 18386
                            inorganic hydride 17221
                              pnictogen hydride 17184
                                nitrogen hydride 17020
                                  azane 16716
                                    ammonia 16715
                                      organic amino compound 16714
                                        aromatic amine 13627
                                          alpha-aminoorcein 0
                                            orcein 0
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